value_cleanup: Rewrite more base::ListValue::Append(base::Value*) calls.

The tool now understands how to rewrite simple cases of constructing a
new base::Value that's stored in a raw pointer, manipulating it to
populate the data, and then passing ownership into base::ListValue with
the raw pointer overload of base::ListValue::Append.

BUG=581865

Review-Url: https://codereview.chromium.org/2056153003
Cr-Commit-Position: refs/heads/master@{#399319}
4 files changed